MECH103 Homework 1 Solution

MECH103 Homework 1 Solution - MECH103 Homework#1 Solution 1...

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MECH103 Homework #1 Solution 1. Problem 11.29 Express x as a function of v   x v 00057 . 0 exp 1 154 2 154 1 ln 4 . 1754 v x Express a as a function of v     x v 00057 . 0 exp 1 23716 2      x v dx d dx dv v a 00057 . 0 exp 00057 . 0 11858 2 2 2 154 1 75906 . 6 v a (a) If s m v / 20 , m x 8 . 29 2 / 65 . 6 s m a (b) If s m v / 40 , m x 5 . 122 2 / 30 . 6 s m a Problem 11.43 The accelerations of horse 1 ( a 1 ) and horse 2 ( a 2 ) are constant. 2 0 2 1 at t v x Solving for a,   2 0 2 t t v x a Let x = 0 and t = 0 when horse 1 and horse 2 are at point A . Using x = 366m and the initial velocities and elapsed times for each horses,

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       2 3 2 1 / 10 8 5 . 61 5 . 61 2 . 6 366 2 s m a        2
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MECH103 Homework 1 Solution - MECH103 Homework#1 Solution 1...

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